Land Rover DTC P0116 – Engine Coolant Temperature Sensor Falling Temp Fault
DTC P0116 meaning on Land Rover
DTC P0116 on a Land Rover indicates a fault with the Engine Coolant Temperature (ECT) sensor circuit. This fault code is triggered when the ECT sensor reports a falling temperature signal that is out of the expected range.
Land Rover DTC P0116 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Inaccurate temperature gauge readings
- Potential engine overheating or cooling system issues
Land Rover DTC P0116 causes
- Defective ECT sensor
- Wiring or connector issues in the ECT sensor circuit
- Corrosion or poor connections in the sensor circuit
- Engine cooling system problems affecting sensor readings
Land Rover DTC P0116 seriousness
The DTC P0116 fault code should be addressed promptly as it can lead to inaccurate temperature readings, potential engine overheating, and other cooling system issues. Ignoring this fault may result in engine damage or poor performance.
How to diagnose DTC P0116 on Land Rover
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the ECT sensor and its wiring for any visible damage or corrosion
- Check the coolant level and condition in the system
- Perform a resistance test on the ECT sensor to verify its functionality
How to fix DTC P0116 on Land Rover
- Replace the Engine Coolant Temperature (ECT) sensor if faulty
- Repair any damaged wiring or connectors in the ECT sensor circuit
- Flush and refill the cooling system with the correct coolant mixture
- Clear the fault code and perform a test drive to verify the repair
How to erase DTC P0116 on Land Rover
- Use an OBD-II scanner to clear the fault code from the vehicle’s computer
- Ensure the underlying issue causing the fault code has been resolved
- Perform a final check to confirm the fault code has been successfully erased
Recommended tools for Land Rover diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.